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12022180974 = 233617946199
BaseRepresentation
bin10110011001001001…
…11110110001101110
31011000211212001221000
423030210332301232
5144110134242344
65304541021130
7603630565206
oct131444766156
934024761830
1012022180974
11510a231561
1223b62547a6
13119792c86b
14820953406
154a56a2a69
hex2cc93ec6e

12022180974 has 64 divisors (see below), whose sum is σ = 27498240000. Its totient is φ = 3891719520.

The previous prime is 12022180969. The next prime is 12022180991. The reversal of 12022180974 is 47908122021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 237127 + ... + 283325.

It is an arithmetic number, because the mean of its divisors is an integer number (429660000).

Almost surely, 212022180974 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12022180974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13749120000).

12022180974 is an abundant number, since it is smaller than the sum of its proper divisors (15476059026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12022180974 is a wasteful number, since it uses less digits than its factorization.

12022180974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46350 (or 46344 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The spelling of 12022180974 in words is "twelve billion, twenty-two million, one hundred eighty thousand, nine hundred seventy-four".

Divisors: 1 2 3 6 9 18 27 54 61 79 122 158 183 237 366 474 549 711 1098 1422 1647 2133 3294 4266 4819 9638 14457 28914 43371 46199 86742 92398 130113 138597 260226 277194 415791 831582 1247373 2494746 2818139 3649721 5636278 7299442 8454417 10949163 16908834 21898326 25363251 32847489 50726502 65694978 76089753 98542467 152179506 197084934 222632981 445265962 667898943 1335797886 2003696829 4007393658 6011090487 12022180974